NAVIGATION SYSTEM(for HDD) Sound Quality is Bad Only when Disc is Played (Volume is Too Low)

PROCEDURE

1. REPLACE DISC AND RECHECK

   
   

   1. Replace the disc with a known good one.

   2. Check that the malfunction disappears.

      Result
      Proceed to Malfunction disappears Malfunction does not disappear

   
   

   Malfunction disappears

   END (CD IS DEFECTIVE)

   Malfunction does not disappear

   REPLACE NAVIGATION ECU SUB-ASSEMBLY Click here